"Arny Krueger" wrote in message
...
Jack3000 wrote:

In general which wire is usually positive? The wire that has the
writing on it?

A dirty little secret about wire is the fact that it is rarely if ever
marked with pluses and minuses.

Everything that Mr. Krueger wrote is correct. However
until "Jack3000" determines the nature of his input, and
source, he should NOT attempt to make this connection
in either polarity.